VIDEO

Informace

Chrysler

Chrysler B2255

See the basic definition of a diagnostic error. This will help you to clarify the main causes of the fault code. You will understand the program of the control unit
Basic DTC analysis according to OBD2 protocol standard.

OBD2 or On-Board Diagnostics displays messages for basic group styles. More comprehensible code composition has been standard since 2000. The DTC code consists of five characters and its composition will be shown in this video

Insight into programming

The basic unit for the operation of any computer is the bit. Logic 0 and 1 are expressed by a single bit. Diagnostics The error code is composed of 16 bits. The first two bits define one of the four basic circuits. The video will show you a comprehensive overview of the composition of the error report

A diagnostically understandable description of the Diagnostic Trouble Code

Chrysler B2255

Basic error definition

Rear Bank (Bank 1) Fuel System Too Rich

Cause of DTC

The execution time is once per driving cycle and the duration time is 13 seconds or more. If long term fuel trim is lower than normal (too rich), a malfunction in the fuel metering components is detected and a DTC is stored. Engine is at running temperature, vehicle speed at 550-4,000 rpm and the system is in closed loop the long term fuel trim is lower than 0.820 (-18.0 %). NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.